82766339 has 2 divisors, whose sum is σ = 82766340. Its totient is φ = 82766338.

The previous prime is 82766329. The next prime is 82766393. The reversal of 82766339 is 93366728.

Together with next prime (82766393) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82766339 - 2⁴ = 82766323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82766339.

It is not a weakly prime, because it can be changed into another prime (82766309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41383169 + 41383170.

It is an arithmetic number, because the mean of its divisors is an integer number (41383170).

Almost surely, 2^82766339 is an apocalyptic number.

82766339 is a deficient number, since it is larger than the sum of its proper divisors (1).

82766339 is an equidigital number, since it uses as much as digits as its factorization.

82766339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 44.

The square root of 82766339 is about 9097.6007276644. The cubic root of 82766339 is about 435.7973467633.

The spelling of 82766339 in words is "eighty-two million, seven hundred sixty-six thousand, three hundred thirty-nine".